JP2509348Y2 - Ceiling embedded cassette type air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an air conditioner embedded in a ceiling, and more particularly to a vane for controlling the wind direction.

[Prior Art] Conventionally, as an air conditioner of this type, a full-scale SHO 62-117463
The technology disclosed in the publication can be mentioned.

FIG. 7 is a sectional view showing an entire conventional air conditioner, and FIG.
FIG. 9 is a bottom view of the entire decorative panel, FIG. 9 is a perspective view showing a vane connecting structure in the decorative panel, and FIG.

In the figure, (1) is the main body installed in the ceiling, (2)
Is a decorative panel mother which is installed by being exposed on the lower surface and the ceiling surface of the main body (1). (3) is a blower installed in the main body (1), (4) is a heat exchanger, and (5) is a vane main body which is arranged in the decorative panel base body (2) and controls the direction of wind. And has a relatively heavy weight made of sheet metal or the like. (6) is fitted into both ends of the vane body (5), and a cylinder (7) that forms the central axis of the vane body (5) 's rotational movement, and a joint portion a for connecting the parts to be connected next to each other.
It is a vane holding component provided with (8). Reference numeral (9) is an intermediate joint which is interposed between the vane holding parts (6) and serves to transmit the movement, and has joint portions b (10) which can be connected at both ends thereof. (11) is interposed between the joint portion a (8) of the vane holding part (6) and the joint portion b (10) of the intermediate joint (9) to connect them and to form a substantially cross shape for transmitting movement. It is a connected joint. (1
2) is interposed between the vane holding parts (6), and
This is a main joint provided with a drive transmission part (14) for transmitting the rotational movement of the electric motor (13) to the vane body (5) as a pendulum movement. Electric motor (13) as the whole combination structure
A main joint (12) is connected to each point, and two vane bodies (5) are connected to both ends of the main joint (12) by a vane holding component (6), an intermediate joint (9), and a connecting joint (11). It is a series.

 Next, the operation will be described.

The air sucked into the main body (1) by the blower device (3) is heat-exchanged by passing through the heat exchanger (4) and is blown out from the blowout port of the decorative panel mother body (2). The angle of the vane body (5) is controlled by the electric motor (13) so that the direction of the blown wind is parallel to the ceiling surface during cooling and at right angles to the ceiling surface to warm up to the feet during heating. Fix it. More specifically, the rotational movement of the electric motor (13) is transmitted to the vane holding component (6) as a pendulum movement about the cylinder (7) by the drive transmission portion (14) of the main joint (12). Therefore, the movement is transmitted from the vane holding part (6) to the vane main body (5) and to the next vane main body (5), and the angle of the vane main body (5) is made parallel to the ceiling surface or at right angles. And of electric motors (13)
The ON / OFF control is used for fixed control at the same time.

[Problems to be Solved by the Invention] Since the conventional ceiling-embedded cassette type air conditioner is configured as described above, the wind direction adjusting vane has the vane body as the ceiling surface at the drive transmission part of the electric motor and the main joint. Even if they are fixed all at once at right angles, the weight of the vane body, which is relatively heavy, is affected by its own weight, that is, the force of the rotational moment about the center axis of the vane holding component, and it is close to the fulcrum of angle control and the drive transmission part of the main joint. The vane on the far side from the vane cannot control the desired angle, or cannot respond to the angle other than the simultaneous control, that is, when it is desired to change the angle of only one vane from the other. There was a problem in use.

The present invention has been made to solve the above problems, and an object thereof is to obtain a more uniform air conditioner with more uniform temperature distribution in a room and improved comfort.

[Means for Solving the Problems] An air conditioner according to the present invention includes a blower, a heat exchanger, and the like built-in, a main body embedded in a ceiling in a room, and a substantially central portion of a lower surface of the main body. A suction port for sucking in air, and an air outlet provided on the outer periphery of the suction port when the air after heat exchange from the heat exchanger is blown out into the room, and an outlet provided at this blowout port. Each rotating shaft connected to each other via an electric motor for driving each rotating shaft via a drive transmission member connected to any one of the connecting members, wherein the connecting member is connected to the rotating shaft. Each tubular portion connected to each of both ends of the integrally formed wind direction adjusting vane,
Fixed to each of the cylindrical portions, each peripheral motion fixing metal fitting having a protrusion formed of a spring material, and a plurality of holes fitted to the protrusion of each peripheral motion fixing metal fixture, By connecting the connecting joint portions, which are rotatably connected to the respective circumferential fixing members through the holes, and the connecting joint portions, the rotational torque of the electric motor from the drive transmission member is transferred to the rotating shafts. And each joint part to be transmitted to.

[Operation] The wind direction adjusting vane, which is the rotating shaft of the air conditioner according to the present invention, is rotatably connected to the connecting joint through the plurality of holes that fit with the protrusions of the circumferential fixing bracket, and the rotatably Since each joint part connects the connected joint parts to each other and the rotational torque of the electric motor is transmitted to each rotary shaft via the drive transmission member connected to any one of the joint parts, the number of constituent parts is reduced. , The wind direction adjusting vanes that are the rotating shafts can be freely changed by adjusting the mounting angle, and especially when the wind direction adjusting vanes that are the joints and the rotating shaft hit foreign matter or something and become locked. ,
All torque when locked will not be transmitted to the joint portion and the wind direction adjusting vane. [Example] An example of the present invention will be described below with reference to the drawings. First
In FIGS. 6 to 6, (15) is a vane holding portion which is fitted into both ends of the vane body (5) and which forms a cylinder (16) which forms a central axis of the peripheral movement of the vane body (5). (17) is a square hole provided in the cylinder (16) portion of the vane holding portion (15), and the square hole is formed diagonally with respect to the center of the cylinder (16). (18) has a semicircular cross section, and has claws (19) facing the center at both ends, and a protrusion (20) with one end in the circumferential direction of the semicircle open at approximately the center of the semicircle. )
It is a peripheral fixing metal fitting in which is arranged. This peripheral fitting (1
8) is made of a material such as spring steel, and the tab (1) is fitted into the square hole (17) on the outer circumference of the cylinder (16) of the vane holding part (15).
It is fixed by fitting 9).

(21) is formed with a joint part a (8) holding a connecting joint (11) for connecting an intermediate joint (9) on one side and a cylindrical shape (22) on the other side, and the outer circumference thereof. Is a connection joint having a large number of square holes (23).

The inner diameter of the cylinder (22) of the connection joint (21) is such that the outer circumference of the cylinder (16) of the vane holding part (15) can be inlaid, and when fitted, it fits into the vane holding part (15). The protruding portion (20) of the fixed peripheral motion fixing metal fitting (18) fits into the location of the square hole portion (23) to position on the circumference and on the shaft.

Before describing the operation and operation of the present invention, the wind flow and the vane angle will be touched upon. Regarding the flow of the blown wind and the vane angle control for each of cooling and heating, refer to the section of the prior art. Is the same as

Next, the wind direction adjusting vane in this invention will be described. The vane holding portion (15) and the connection joint (21).
The vane holding part (1
The projection (20) of the peripheral fixing metal fitting (18) attached to 5) enters the square hole (23) of the joint joint (21) to prevent it from coming off first and to connect it in series. When the rotation drive transmission of the electric motor (13) is received, the specified rotation angle of the pendulum movement is realized.

Next, when the switch of the electric motor (13) is turned off and the connecting joint (21) is fixed, it is attempted to rotate only the vane holding part (15) around the rotary shaft. Since the protrusion (20) of is made of spring steel, etc., and has a shape with one end open, the protrusion torque of the protrusion (20) is stronger than the rotation torque of the electric motor (13). Although not possible, the above-mentioned protrusion (20) temporarily moves like a cushion and rotates by the force of the hand.

In the above embodiment, the vane body having a comparatively heavy weight is connected as a means for controlling the uniform angle of each vane of non-uniform rotation due to its own weight, that is, the rotational moment force about the central axis of the vane holding component. Although the structure is provided with the joint (21) and the circumferential motion fixing metal fitting (18), the structure may be as shown in FIGS. 5 and 6. That is, in the figure,
Reference numeral (5) is a wind direction adjusting vane that is disposed in the decorative panel mother body (2) and controls the direction of the wind. The vane body (26) is composed of a plurality of main vanes (24) and sub-vanes (25). ，
It comprises a vane holding part (15) for holding it, and is fitted and fixed in the vane holding part (15). Further, in the mass of the main vane (24) and the sub-vane (25) in the vane body (26) of the vane (5), the force of each rotational moment is applied to the central axis of the vane holding portion (15). They are set to be equivalent.

Next, the operation of the other embodiment will be described. When heating, the vane body (26) should be at a right angle to the ceiling surface.
When controlling the orbiting, the vanes on the side farther from the motor (13) work in the direction in which the forces of the respective rotational moments try to balance each other, and the desired angle control is achieved, making the air blowing angles of the multiple outlets constant. It is possible to keep

[Advantages of the Invention] As described above, according to the present invention, the wind direction adjusting vane, which is the rotating shaft, is rotatably connected to the connecting joint through the plurality of holes that fit with the protrusions of the circumferential fixing member. , The joint portions of the rotatably coupled joints are coupled to each other, and the rotational torque of the electric motor is transmitted to the rotary shafts via the drive transmission member connected to any of the joint portions. With a small number of components, each wind direction can be adjusted by freely changing the mounting angle of each wind direction adjusting vane that is the rotating shaft, and especially, the wind direction adjusting vane that is the joint part and the rotating shaft locks against foreign matter or something. In this state, all torque when locked will not be transmitted to the joints and wind direction adjusting vanes, so the joints and wind direction adjusting vanes will not be damaged. A cot type air conditioner is obtained.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a decorative panel body of a ceiling-embedded cassette type air conditioner according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a connected state of main parts of a wind direction adjusting vane of the present invention, FIG. 3 is an exploded perspective view of FIG. 2, FIG. 4 is a perspective view showing a state where the vane holding portion is fitted with a peripheral fixing metal fitting, and FIG. 5 is a ceiling-embedded cassette type according to another embodiment of the present invention. FIG. 6 is an exploded perspective view showing a decorative panel body of the air conditioner, FIG. 6 is a perspective view showing a main part of the wind direction adjusting vane of FIG. 5, and FIG. 7 is a cross-sectional view showing a mounting state of a conventional air conditioner. 8 is a bottom view of FIG. 7, FIG. 9 is an exploded perspective view showing a conventional decorative panel mother body, FIG. 10 is a perspective view showing a main part of the wind direction adjusting vane of FIG. 9, and FIG. It is a perspective view which shows the connection joint of FIG. FIG. 12 is a perspective view showing a connecting and connecting portion of the wind direction adjusting vane of FIG. In addition, (5) is a wind direction adjusting vane main body, (9) is an intermediate joint, (18) is a circumferential fixing metal fitting, and (21) is a connection joint. In the figure, the same reference numerals indicate the same or corresponding parts.

Claims (1)

(57) [Scope of utility model registration request] 1. A main body having a blower, a heat exchanger, etc. built therein, which is embedded in a ceiling of a room, a suction port provided in a substantially central portion of a lower surface of the main body, for sucking indoor air, and an outer periphery of the suction port. A blow-off port for blowing the air after heat exchange from the heat exchanger into the room, each rotary shaft provided at the blow-out port and connected to each other through each connecting member, and each rotary shaft. An electric motor driving the shaft via a drive transmission member connected to any of the connecting members, wherein the connecting member is
Circumferential movement fixing metal fittings each having a tubular portion connected to each of both ends of the wind direction adjusting vane integrally formed with the rotary shaft, and a projection portion fixed to each tubular portion and formed of a spring material. A plurality of holes for fitting with the protrusions of the respective circumferential motion fixing fittings, and respective connecting joint portions rotatably coupled to the respective circumferential motion fixing fittings through the plurality of holes, A ceiling-embedded cassette type air conditioner, comprising: each coupling joint portion coupled to each other, and each coupling portion transmitting the rotational torque of the electric motor from the drive transmission member to each rotation shaft.